Astilbe formosa ("Hanachidakesashi")

Japanese name: ハナチダケサシ （花乳茸刺）
Scientific name: Astilbe formosa

[Overview]
A perennial 40–70 cm tall.
It has a rhizome.
Both the basal and stem leaves are three times ternately compound; the leaflets are ovate with a tail-like pointed tip and have incised, doubly serrate margins.
Stem leaves are alternate on the flower stalk.
The tip of the flower stalk bears a panicle-like inflorescence whose branches divide often.
The flowers are white with 5 petals; the petals are spoon-shaped, about 5 mm long.
The fruit is a capsule 3–4 mm long.

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